Contra Advance: The Alien Wars EX game is a ROM you can play online within your browser. This Gameboy Advance ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Contra Advance: The Alien Wars EX GBA game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Contra and Contra 3: The Alien Wars. This free game belongs to the Alien and Contra category of online retro games.